core/Validators/Regex.php


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<?php
/**
 * Piwik - free/libre analytics platform
 *
 * @link https://matomo.org
 * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
 *
 */

namespace Piwik\Validators;

use Piwik\Piwik;

class Regex extends BaseValidator
{
    public function validate($value)
    {
        if ($this->isValueBare($value)) {
            return;
        }

        if (@preg_match($value, '') === false) {
            throw new Exception(Piwik::translate('General_ValidatorErrorNoValidRegex', array($value)));
        }
    }
}